PURPOSE: To prevent the delivery of an erroneously sealed part by automatically collating a character sealed on a product with the character described in an sealed directions in the collating method of both the character.

CONSTITUTION: The image of the character entered at the fixed position 1A of a sealed directions 1 indicating an sealing form, and the image of the character or the copy sealed on the product are respectively fetched by individual cameras 3 and 4, and each image is recognized, and collated in order to judge the erroneous sealing and the judged result is recorded in the sealed directions.